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Monthly climate in Colleferro, Lazio, Italy

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Colleferro features a humid subtropical climate (Cfa). Temperatures typically range between 5 °C (41 °F) and 25 °C (76 °F) through the year, but rarely can drop to -18 °C (-1 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 1299 mm (51.1 inches) and receives 129 rainy days on the 1 mm (0.04 inches) threshold annually. Colleferro enjoys an average of 3929 hours of sunshine throughout the year, and daylight varies from 9 hours 11 minutes to 15 hours 8 minutes per day.

Monthly average temperatures in Colleferro, Lazio, Italy §

The warmest months in Colleferro are June, July and August, with daily mean temperatures ranging from 21 to 25 °C (70 - 76 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 5 to 7 °C (41 - 45 °F) throughout the day. On average each year, Colleferro experiences 85 days above 25 °C (77.0 °F) and 30 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Colleferro, Lazio, Italy. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 18°C
(64°F)		 19°C
(66°F)		 22°C
(72°F)		 26°C
(79°F)		 32°C
(89°F)		 34°C
(93°F)		 35°C
(96°F)		 38°C
(100°F)		 31°C
(88°F)		 26°C
(80°F)		 21°C
(71°F)		 17°C
(62°F)
Mean maximum 14°C
(58°F)		 17°C
(62°F)		 20°C
(68°F)		 22°C
(73°F)		 27°C
(80°F)		 30°C
(87°F)		 34°C
(93°F)		 36°C
(97°F)		 29°C
(85°F)		 24°C
(76°F)		 20°C
(67°F)		 15°C
(60°F)
Average high 10°C
(50°F)		 12°C
(54°F)		 14°C
(57°F)		 17°C
(63°F)		 21°C
(70°F)		 26°C
(80°F)		 30°C
(85°F)		 30°C
(87°F)		 25°C
(77°F)		 20°C
(68°F)		 15°C
(59°F)		 11°C
(52°F)
Daily mean 5°C
(41°F)		 7°C
(45°F)		 9°C
(48°F)		 12°C
(54°F)		 16°C
(61°F)		 21°C
(70°F)		 24°C
(76°F)		 25°C
(76°F)		 19°C
(67°F)		 15°C
(59°F)		 11°C
(52°F)		 7°C
(44°F)
Average low 1°C
(34°F)		 3°C
(37°F)		 4°C
(39°F)		 7°C
(45°F)		 11°C
(52°F)		 15°C
(60°F)		 18°C
(65°F)		 19°C
(66°F)		 15°C
(59°F)		 10°C
(51°F)		 7°C
(45°F)		 3°C
(37°F)
Mean minimum -4°C
(25°F)		 -5°C
(24°F)		 -4°C
(24°F)		 0°C
(33°F)		 6°C
(42°F)		 11°C
(53°F)		 15°C
(59°F)		 14°C
(58°F)		 9°C
(48°F)		 6°C
(43°F)		 1°C
(34°F)		 -2°C
(29°F)
Minimum -11°C
(12°F)		 -17°C
(2°F)		 -18°C
(-1°F)		 -2°C
(28°F)		 2°C
(36°F)		 8°C
(46°F)		 14°C
(57°F)		 13°C
(56°F)		 6°C
(43°F)		 4°C
(39°F)		 -2°C
(28°F)		 -4°C
(24°F)

Compare climate in Colleferro with other places

Compare temperature, precipitation, sunshine, UV index in Colleferro, Lazio, Italy with other places around the world.

Monthly average precipitation in Colleferro, Lazio, Italy §

Colleferro usually has the most precipitation in March, November and December, with an average of 13 rainy days and 174 mm (6.8 inches) of precipitation per month. The driest months in Colleferro are June, July and August. On average, 52 mm (2.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Colleferro, Lazio, Italy. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 82 (3.2) 106 (4.2) 116 (4.6) 95 (3.8) 112 (4.4) 72 (2.8) 41 (1.6) 43 (1.7) 115 (4.5) 113 (4.4) 209 (8.2) 196 (7.7)
Average precipitation days (≥ 1 mm) 10 9 11 12 14 8 6 8 11 10 17 13

Monthly sunshine hours in Colleferro, Lazio, Italy §

The sunniest months in Colleferro are May, June and July, when the sun shines an average of 13 hours 32 minutes a day. Least sunny months in Colleferro: January, November and December receive an average of 7 hours 31 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Colleferro, Lazio, Italy. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 201 260 327 355 399 415 429 398 337 314 245 244
Mean daily daylight hours 9h 31m 10h 35m 11h 57m 13h 21m 14h 32m 15h 8m 14h 49m 13h 46m 12h 25m 11h 2m 9h 49m 9h 11m

Solar UV radiation in Colleferro, Lazio, Italy §

Colleferro experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 10, which corresponds to the Very High category of sun exposure. January, February and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Colleferro UV Index data.

Average daily maximum UV levels by month for Colleferro, Lazio, Italy. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 3 4 5 7 9 10 10 9 8 6 4 2

Detailed Monthly Weather Insights for Colleferro, Lazio, Italy

Discover in-depth weather details for every month in Colleferro. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Colleferro's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.